燃烧是可燃物跟助燃物发生的剧烈的一种发光、发热的（）反应。
A.氧化
B.还原
C.物理
D.氧化及还原
参考答案：A
用所给词的适当形式填空。
1. Look!The cat is ________ (sit) on your chair.
2. My family ________ (be) a big one.
3. Li Ming often ________ (do) homework at 7:00 in the evening.
4. I think you have too many ________ (cloth).
5. Lily often ________ (have) breakfast at 6:00 in the morning.
6. Look at this picture.I am ________ (eat) an apple.
车辆损失险保险费计算公式为()。
A.(保险金额×费率)
B.基本保费+附加保费
C.基本保费＋(保险金额＋费率)
D.基本保费＋(保险金额×费率)
